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PostgreSQL 11 Administration Cookbook

You're reading from PostgreSQL 11 Administration Cookbook

Product type Book

Published in May 2019

Publisher Packt

ISBN-13 9781789537581

Pages 600 pages

Edition 1st Edition

Languages

Concepts

Authors (3):

Simon Riggs

Gianni Ciolli

Sudheer Kumar Meesala

View More author details

Table of Contents (19) Chapters

Title Page

Copyright and Credits

About Packt

Contributors

Preface

1. First Steps

2. Exploring the Database

3. Configuration

4. Server Control

5. Tables and Data

6. Security

7. Database Administration

8. Monitoring and Diagnosis

9. Regular Maintenance

10. Performance and Concurrency

11. Backup and Recovery

12. Replication and Upgrades

1. Other Books You May Enjoy

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Index

Major upgrades in-place

PostgreSQL provides an additional supplied program, called pg_upgrade, which allows you to migrate between major releases, such as from 9.2 to 9.6; alternatively, you can upgrade straight to the latest server version. These upgrades are performed in-place, meaning that we upgrade our database without moving to a new system. That does sound good, but pg_upgrade has a few things that you may wish to consider as potential negatives, which are as follows:

The database server must be shut down while the upgrade takes place.
Your system must be large enough to hold two copies of the database server: old and new copies. If it's not, then you have to use the link option of pg_upgrade, or use the Major upgrades online recipe later. If you use the link option on pg_upgrade, then there is no pg_downgrade utility. The only option in that case is a restore from backup, and that means extended unavailability while you restore.
If you copy the database, then the upgrade time will be...

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Authors (3)

Simon Riggs

Simon Riggs is a Major Developer of PostgreSQL since 2004. Formerly, Simon was the Founder and CEO of 2ndQuadrant, acquired by EDB in 2020. Simon has contributed widely to PostgreSQL, initiating new projects, contributing ideas, committing many important features as well and working directly with database architects and users on advanced solutions

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Gianni Ciolli

Gianni Ciolli is Vice President and Field CTO at EDB; he was Global Head of Professional Services at 2ndQuadrant until it was acquired by EDB. Gianni has been a PostgreSQL consultant, trainer, and speaker at many PostgreSQL conferences in Europe and abroad over more than 10 years. He has a PhD in Mathematics from the University of Florence. He has worked with free and Open-Source software since the 1990s and is active in the community. He lives between Frankfurt and London and plays the piano in his spare time

See other products by Gianni Ciolli

Sudheer Kumar Meesala

Sudheer Kumar Meesala is a lead architect at Endurance International Group and has spent the last few years designing and building scalable and secure web applications within finance and internet industries. A large part of his job has included decomposing monolithic legacy applications into microservices. This has required a deep understanding of PostgreSQL, Cassandra, and other NoSQL databases. Other key areas of interest are container orchestration, DevOps, and more. He is also an accomplished speaker and trainer. He lives in Bangalore, India, and spends far too much time in traffic jams.

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